CN108240399A - A kind of diaphragm coupling with overload protection - Google Patents
A kind of diaphragm coupling with overload protection Download PDFInfo
- Publication number
- CN108240399A CN108240399A CN201711426957.2A CN201711426957A CN108240399A CN 108240399 A CN108240399 A CN 108240399A CN 201711426957 A CN201711426957 A CN 201711426957A CN 108240399 A CN108240399 A CN 108240399A
- Authority
- CN
- China
- Prior art keywords
- oscillating bearing
- group
- integrated form
- overload protection
- coupling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
- F16D3/56—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising elastic metal lamellae, elastic rods, or the like, e.g. arranged radially or parallel to the axis, the members being shear-loaded collectively by the total load
Abstract
The present invention relates to a kind of diaphragm couplings with overload protection function, can be applied to the power transmission device in aero-engine and marine engine.Including symmetrical coupling spindle (1), integrated form oscillating bearing (2); ring flange (3); membranous disc group (4); group section (5); attachment bolt (6); spacing shaft (7); adjusting pad (8); inner shaft (9); clamp nut (10), locking plate (11), outside protective covers (12); support ring (13), clip group (14), self-locking nut (15), outer installation axle (16), joint bolt (17) and locking plate (18).On the basis of the general operating mode of diaphragm coupling is met; devise bearing support structure; it can bear certain axial force load; torque overload and deflection angle compensation overload situations in working for diaphragm coupling; devise protection structure; have overload protection function, membranous disc overload can effectively be avoided to destroy.
Description
Technical field
The present invention relates to a kind of diaphragm couplings with overload protection function, can be applied to aero-engine and naval vessel starts
Power transmission device in machine.
Background technology
Diaphragm coupling is by very thin Varying-thickness curve membranous disc type face, to transmit power and torque, and is compensated master and slave
The flexible clutch that axially and radially deviates of the moving axis between line.At abroad, civil field diaphragm coupling product has been formed
Seriation standard, but the conventional structure for being limited to torsion pass and axle center migration being provided or pass through increase on this basis more
Membranous disc backplate compensates to limit deflection angle, and such a structure increases membranous disc rotor weights, limit the high-speed applications of shaft coupling.
Military domain, aero-engine power transmission shaft (including diaphragm coupling) is real used by U.S.'s type VTOL carrier-borne aircraft
Show the power transmission in the case of high rotating speed, large torque, but from its structure, do not have overload protection function.
Domestic only several factories have diaphragm coupling and manufacture and design ability, open from the point of view of patent information has been issued
A kind of utility model patent (application number of the diaphragm coupling of band protection structure：CN200720115848.4, publication number：
CN201013784).The patent is structurally, be that the connector outer wall being connected with membranous disc devises housing tooth, in input shaft
Inner sleeve tooth is set between the housing tooth of connector, as the alternate route for transmitting torque.Separately there is a kind of shaft coupling overload protection
Structure patent (application number：CN200920035291.2, publication number：CN20136839), a kind of end-tooth knot of the Patent design
Structure including transfer panel, flexible member, Coupling Shaft, is equipped with end face tooth structure on transfer panel and Coupling Shaft, and flexible member passes through spiral shell
Bolt is cross-linked on transfer panel and Coupling Shaft, and the end-tooth on transfer panel and Coupling Shaft can engage, driving torque, is had double
Road is driven.Both the above patent is relatively easy for structure, can not provide simultaneously compared with big axis core migration, membranous disc and the interval diameter of axle
To support, bear axial force and carry out long range, high rotating speed, large torque and high power transmission.
Invention content
The purpose of the present invention
A kind of diaphragm coupling with overload protection function is designed, has following characteristics：Between compensation input and output shaft
It misaligns, transmit relatively high power and torque, bear large axial force load, meanwhile, for the torque overload in work and deflection
Angle overload situations, have overload protection function, the diaphragm coupling that membranous disc overload can effectively be avoided to destroy.Meanwhile root
According to the selection of interval shaft material, the application range of diaphragm coupling can be further widened, is provided under high rotating speed, long range, Gao Gong
Rate and large torque transmission, for the membranous disc rupture event being likely to occur under extreme case, devise non-contact set toothing and
Outside protective covers structure is capable of providing short-time rating transmission, and the membranous disc fragment of fracture is stopped by outside protective covers, avoids flying out, injure
Other parts.
Technical scheme of the present invention
A kind of diaphragm coupling with overload protection, including symmetrical coupling spindle (1), integrated form oscillating bearing (2),
Ring flange (3), membranous disc group (4), group section (5), attachment bolt (6), spacing shaft (7), adjusting pad (8), inner shaft (9) compress spiral shell
Female (10), locking plate (11), outside protective covers (12), support ring (13), clip group (14), self-locking nut (15), outer installation axle (16),
Joint bolt (17) and locking plate (18).
The membranous disc group (4) is welded by 4 monofilm disks to be formed, and one end is coupled by welding with ring flange (3), another
End face is coupled by welding with group section (5), inner shaft (9) is inserted into the endoporus of ring flange (3), is filled successively in inner shaft (9)
Enter adjusting pad (8), integrated form oscillating bearing (2), will be compressed in an axial direction with clamp nut (10), outer pacify is packed into inner shaft (9)
Axis (16) is filled, with 8 circumferentially distributed joint bolts (17) by group section (5), integrated form oscillating bearing (2) and outer installation axle
(16) three couples, and locked with locking plate (18)；The group section (5) on component that two are connected by aforesaid operations respectively with
Two installation side connections of spacing shaft (7), are fastened with circumferentially distributed 6, often end attachment bolt (6) and self-locking nut (15)；
The component both ends being connected above are coupled respectively with coupling spindle (1), and with 6 circumferentially distributed attachment bolts (6) and certainly
Split nut (15) fastens.By support ring (13) loaded on the static element at both ends, by outside protective covers (12) loaded on support ring (13)
On, with clip group (14) banding.
Can self-lubricating type oscillating bearing can be used with integrated form oscillating bearing (2), by outer installation axle (16) and integrated form
Oscillating bearing (2) is equipped, and inner shaft (9) and spacing shaft (7) are welded as a whole structure, it can be achieved that identical function.
Integrated form oscillating bearing (2) can also be changed to the split structure that oscillating bearing adds mounting base, pass through spacer sleeve
(17) and retainer ring (18) carries out axially position.
The traditional metal materials such as composite material and titanium alloy, stainless steel are respectively adopted in spacing shaft (7).
Beneficial effects of the present invention
The present invention devises bearing support structure on the basis of the general operating mode of diaphragm coupling is met, and can bear certain
Axial force load, for diaphragm coupling work in torque overload and deflection angle compensate overload situations, devise protection
Structure has overload protection function, and membranous disc overload can effectively be avoided to destroy.The present invention devises a variety of security protection knots
Structure, suitable for the field that aviation, naval vessel etc. have higher requirements to the safety of power transmission, in VTOL aero-engine
Lift fan power transmission shaft device, helicopter power separate power transmission shaft, and the winged random casket of aircraft couples with hair random casket
Power transmission device in axis and marine engine.Currently, in fields such as aviation, naval vessels, as people are to power transmission
Safety is increasingly paid attention to, and reliable requirement is more and more stringenter, which has broad application prospects.
Description of the drawings
Fig. 1 is a kind of structure diagram of the diaphragm coupling first embodiment with overload protection of the present invention；
Fig. 2 is that the amplification of shield axis and outer protective shaft sleeve toothing in a kind of diaphragm coupling with overload protection of the present invention regards
Figure；
Fig. 3 is a kind of structure diagram of the diaphragm coupling second embodiment with overload protection of the present invention；
Fig. 4 is a kind of structure diagram of the diaphragm coupling third embodiment with overload protection of the present invention；
Specific embodiment
Embodiment of the present invention is specifically explained below.
Below by specific embodiment, the present invention is described in further detail：
Embodiment 1：
Please referring to attached drawing 1, the present invention includes symmetrical coupling spindle 1, integrated form oscillating bearing (2), ring flange (3),
Membranous disc group (4), group section (5), attachment bolt (6), spacing shaft (7), adjusting pad (8), inner shaft (9), clamp nut (10), locking plate
(11), outside protective covers (12), support ring (13), clip group (14), self-locking nut (15), outer installation axle (16), joint bolt
(17) and locking plate (18).
Attached drawing 1 is please referred to, the membranous disc group (4) formed is welded by 4 monofilm disks, one end passes through welding and ring flange
(3) couple, other end is coupled by welding with group section (5), inner shaft (9) is inserted into the endoporus of ring flange (3), in inner shaft
Adjusting pad (8), integrated form oscillating bearing (2) are sequentially loaded on 11, will be compressed in an axial direction with clamp nut (10), protects axis 9 inside
The outer installation axle (16) of upper loading, with 8 circumferentially distributed joint bolts (17) by group section (5), integrated form oscillating bearing (2)
Couple with outer installation axle (16) three, and locked with locking plate (18)；The switching on component that two are connected by aforesaid operations
Section (5) couple respectively with two of spacing shaft (7) installation sides, with circumferentially distributed 12 attachment bolts (6) (often 6, end) and
Self-locking nut (15) (often holding 6) fastening；The component both ends being connected above are coupled respectively with coupling spindle (1), and with along week
6 attachment bolts and self-locking nut (15) fastening to distribution.By support ring (13) loaded on the static element at both ends, will protect
Outer cover (12) is loaded in support ring (13), with clip group (14) banding.
Attached drawing 1 is please referred to, devises two membranous disc groups, each membranous disc group is welded to form by 4 monofilm disks, altogether 8 lists
Membranous disc can provide larger input, output axle center migration.In the present invention, between spacing shaft (7) and group section (5)
It is mechanically coupled using attachment bolt, securely and reliably, compared to more welded formula structure, maintenance cost is low.Integrated form joint
Bearing (2) is self-lubricating type bearing arrangement, which can carry out the angular deflection in shaft coupling compensation drift angle, be 3 He of membranous disc group
Spacing shaft (7) provides certain radial support rigidity, improves the critical speed of shaft coupling rotor element and bears diaphragm coupling
The axial force that the axial impact loading of both ends connecting accessory and connecting accessory axial deformation generate, avoid membranous disc at work by
Axial impact and damage, while in work membranous disc axial displacement compensation limit, improve the working life of membranous disc.This
Outside protective covers structure has also been devised in invention, plays the role of that alien material is prevented to fly into and injure membranous disc type face.When membranous disc breakage,
It is also prevented from disc to fly out, injures other parts.
Attached drawing 2 is please referred to, devises the non-contact set toothing of outer installation axle (16) and inner shaft (9), China and foreign countries' installation axle
(16) endoporus is straight tooth structure, and inner shaft (9) is the helical teeth structure with axially retaining angle, which defines membranous disc shaft coupling indirectly
The limit drift angle of device.Gap width G defines the limit drift angle born at diaphragm coupling both ends, and gap width G and H, which combine, to be defined
Diaphragm coupling is in the ultimate torsional angle degree for bearing deflection angle (membranous disc bears ultimate torque).Under normal operation,
Set tooth is mutually not in contact with each other, and when diaphragm coupling deflects into limit drift angle, torque overload, outer installation axle (16) and inner shaft do not occur
(9) inside and outside tooth top and slot bottom will contact, and so as to which the deflection angle for limiting diaphragm coupling further increases, play protection membranous disc and make
With.When diaphragm coupling deflects into limit drift angle, and torque overload occurs, the inside and outside flank of tooth of outer installation axle (16) and inner shaft (9),
Tooth top and tooth socket will all contact, and limitation deflection angle further increases, and transmits the torque of overburden portion.When diaphragm coupling is non deflected
To limit drift angle, torque overloads, and membranous disc twists up to ultimate torsional angle degree, outer installation axle (16) and inner shaft (9) it is inside and outside
The flank of tooth will contact, and running part torque provides overload protection.When failure conditions, outer installation axle (16) and inner shaft (9) occur for membranous disc
The inside and outside flank of tooth, tooth top and tooth socket all will contact, transmit all torsion torque, provide short-time rating transmission.
Embodiment 2：
Attached drawing 3 is please referred to, in the present invention, self-lubricating type oscillating bearing can be used in integrated form oscillating bearing (2), by outer peace
It is equipped with integrated form oscillating bearing (2) to fill axis (16), inner shaft (9) is welded as a whole structure, it can be achieved that identical with spacing shaft (7)
Function.By spacing shaft (7) using carbon fibre composite, then with inner shaft (9) bonding connection is carried out, other spare parts are using light
Matter titanium alloy (except oscillating bearing) material can further reduce the critical speed of rotor, and the power that can take into account long range passes
Defeated requirement.
Embodiment 3：
Attached drawing 4 is please referred to, in the present invention, integrated form oscillating bearing (2) is changed to the split that oscillating bearing adds mounting base
Formula structure carries out axially position by spacer sleeve (17) and retainer ring 18, while identical function is realized, reduces oscillating bearing
Manufacture cost.
The above embodiment discloses a kind of three better embodiments of the diaphragm coupling with overload protection of the present invention,
But the present invention is not limited to the above embodiment, can also be improved further on the basis of the above embodiment is revealed and
Optimization.Such as the ring flange (3) in attached drawing 1 and inner shaft (9) can be made of one formula structure, make structure more simple.By attached drawing 3,
Composite material spacing shaft in attached drawing 4 is changed to bolt-connection with the connecting mode of group section by be bonded, improves coupling reliability.
Claims (4)
1. a kind of diaphragm coupling with overload protection, including symmetrical coupling spindle (1), integrated form oscillating bearing (2), method
Blue disk (3), membranous disc group (4), group section (5), attachment bolt (6), spacing shaft (7), adjusting pad (8), inner shaft (9), clamp nut
(10), locking plate (11), outside protective covers (12), support ring (13), clip group (14), self-locking nut (15), outer installation axle (16), connection
Connect screw (17) and locking plate (18)；It is characterized in that：
The membranous disc group (4) is welded by 4 monofilm disks to be formed, and one end is coupled by welding with ring flange (3), other end
Coupled by welding with group section (5), inner shaft (9) is inserted into the endoporus of ring flange (3), tune is sequentially loaded into inner shaft (9)
Whole pad (8), integrated form oscillating bearing (2), will be compressed in an axial direction with clamp nut (10), and outer installation axle is packed into inner shaft (9)
(16), with 8 circumferentially distributed joint bolts (17) by group section (5), integrated form oscillating bearing (2) and outer installation axle (16)
Three couples, and locked with locking plate (18)；The group section (5) on component that two are connected by aforesaid operations respectively with interval
Two installation side connections of axis (7), are fastened with circumferentially distributed 6, often end attachment bolt (6) and self-locking nut (15)；It will be with
On the component both ends that are connected couple respectively with coupling spindle (1), and with 6 circumferentially distributed attachment bolts (6) and self-locking spiral shell
Female (15) fastening；By support ring (13) loaded on the static element at both ends, by outside protective covers (12) loaded in support ring (13), use
Clip group (14) banding.
2. a kind of diaphragm coupling with overload protection according to claim 1, it is characterised in that：Further include integrated form pass
Outer installation axle (16) and integrated form oscillating bearing (2) are equipped with, using self-lubricating type oscillating bearing by inner shaft (9) by bearings (2)
It is welded as a whole structure with spacing shaft (7).
3. a kind of diaphragm coupling with overload protection according to claim 1, it is characterised in that：It further includes integrated form
Oscillating bearing (2) is designed to that oscillating bearing adds the split structure of mounting base, is carried out by spacer sleeve (17) and retainer ring (18)
Axially position.
4. a kind of diaphragm coupling with overload protection according to claim 1, it is characterised in that：The spacing shaft (7)
Using composite material and titanium alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711426957.2A CN108240399B (en) | 2017-12-26 | 2017-12-26 | Take overload protection's membrane disc coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711426957.2A CN108240399B (en) | 2017-12-26 | 2017-12-26 | Take overload protection's membrane disc coupling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108240399A true CN108240399A (en) | 2018-07-03 |
| CN108240399B CN108240399B (en) | 2020-06-30 |
Family
ID=62701264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711426957.2A Active CN108240399B (en) | 2017-12-26 | 2017-12-26 | Take overload protection's membrane disc coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108240399B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043150A (en) * | 2019-12-05 | 2020-04-21 | 中国航发四川燃气涡轮研究院 | Joint bearing and flexible coupling |
| CN114152278A (en) * | 2021-10-20 | 2022-03-08 | 中国航发四川燃气涡轮研究院 | Passive LC temperature-rotating speed composite sensor and engine bearing online monitoring method |
| CN114962476A (en) * | 2022-07-28 | 2022-08-30 | 通化奥唐动力机械制造有限公司 | High-speed vibration flexible ring coupler |
| CN117346935A (en) * | 2023-12-05 | 2024-01-05 | 中国航发四川燃气涡轮研究院 | Compressor torque measurement system based on high-load axis force transmission high-speed elastic coupling |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4133188A (en) * | 1977-07-13 | 1979-01-09 | General Motors Corporation | Back-up torque transmitting structure |
| EP0026681A1 (en) * | 1979-09-27 | 1981-04-08 | The Bendix Corporation | Drive shaft coupling |
| US4457734A (en) * | 1981-11-09 | 1984-07-03 | Hughes Helicopters, Inc. | Fail-safe improvement for a flexible shaft coupling |
| US5407386A (en) * | 1993-02-04 | 1995-04-18 | United Technologies Corporation | Fail safe drive shaft system |
| CN201013784Y (en) * | 2007-03-28 | 2008-01-30 | 中国船舶重工集团公司第七○三研究所 | Film disk couplings with protection structure |
| KR20130117229A (en) * | 2012-04-18 | 2013-10-25 | 아이원스 주식회사 | Flexible coupling for power take off shaft |
| CN205064608U (en) * | 2015-09-29 | 2016-03-02 | 沈阳申克动力机械有限公司 | Spacing flexible diaphragm shaft coupling of ball socket axial |
| WO2016108340A1 (en) * | 2014-12-30 | 2016-07-07 | 아이원스 주식회사 | Power transmission shaft |
-
2017
- 2017-12-26 CN CN201711426957.2A patent/CN108240399B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4133188A (en) * | 1977-07-13 | 1979-01-09 | General Motors Corporation | Back-up torque transmitting structure |
| EP0026681A1 (en) * | 1979-09-27 | 1981-04-08 | The Bendix Corporation | Drive shaft coupling |
| US4457734A (en) * | 1981-11-09 | 1984-07-03 | Hughes Helicopters, Inc. | Fail-safe improvement for a flexible shaft coupling |
| US5407386A (en) * | 1993-02-04 | 1995-04-18 | United Technologies Corporation | Fail safe drive shaft system |
| CN201013784Y (en) * | 2007-03-28 | 2008-01-30 | 中国船舶重工集团公司第七○三研究所 | Film disk couplings with protection structure |
| KR20130117229A (en) * | 2012-04-18 | 2013-10-25 | 아이원스 주식회사 | Flexible coupling for power take off shaft |
| WO2016108340A1 (en) * | 2014-12-30 | 2016-07-07 | 아이원스 주식회사 | Power transmission shaft |
| CN205064608U (en) * | 2015-09-29 | 2016-03-02 | 沈阳申克动力机械有限公司 | Spacing flexible diaphragm shaft coupling of ball socket axial |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043150A (en) * | 2019-12-05 | 2020-04-21 | 中国航发四川燃气涡轮研究院 | Joint bearing and flexible coupling |
| CN114152278A (en) * | 2021-10-20 | 2022-03-08 | 中国航发四川燃气涡轮研究院 | Passive LC temperature-rotating speed composite sensor and engine bearing online monitoring method |
| CN114152278B (en) * | 2021-10-20 | 2023-05-05 | 中国航发四川燃气涡轮研究院 | Passive LC temperature-rotating speed composite sensor and engine bearing on-line monitoring method |
| CN114962476A (en) * | 2022-07-28 | 2022-08-30 | 通化奥唐动力机械制造有限公司 | High-speed vibration flexible ring coupler |
| CN114962476B (en) * | 2022-07-28 | 2022-11-11 | 通化奥唐动力机械制造有限公司 | High-speed vibration flexible ring coupler |
| CN117346935A (en) * | 2023-12-05 | 2024-01-05 | 中国航发四川燃气涡轮研究院 | Compressor torque measurement system based on high-load axis force transmission high-speed elastic coupling |
| CN117346935B (en) * | 2023-12-05 | 2024-02-20 | 中国航发四川燃气涡轮研究院 | Compressor torque measurement system based on high-load axis force transmission high-speed elastic coupling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108240399B (en) | 2020-06-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108240399A (en) | A kind of diaphragm coupling with overload protection | |
| CN102852738B (en) | For the drive system of wind power plant | |
| JP6087907B2 (en) | Elastomer teaching hinge | |
| US8523686B2 (en) | Flexible coupling means | |
| CN106103173B (en) | Power transmission and its manufacturing method | |
| CN202851735U (en) | Torque overloaded protection device | |
| KR102175979B1 (en) | Structure of torque limiter for shaft coupling in wind mill facilities | |
| US20160169323A1 (en) | Flywheels For Energy Storage And Methods Of Manufacture Thereof | |
| CN101392802A (en) | Flexible disc, flexible joint, flange for mounting and transmission shaft | |
| US3141313A (en) | Torque-limiting shaft coupling assembly | |
| US8579589B2 (en) | Mechanism for attenuating torque pulsations between an engine and a rotorcraft rotor driven by the engine | |
| CN109236880A (en) | A kind of torque limit formula shaft coupling | |
| CN206458734U (en) | A kind of high speed high pulling torque waveform membranous disc flexible coupling | |
| CN101951066A (en) | Power transmission device | |
| CN102900782A (en) | Torque overload protection device | |
| CN207229617U (en) | Pin type safety coupling | |
| CN113623131B (en) | Wind generating set | |
| US11536140B2 (en) | Stiffened torque tube for gas turbine engine | |
| CN205001403U (en) | High -elastic overload protection shaft coupling | |
| CN107314050A (en) | A kind of inside and outside grinding formula becomes torque flexible clutch | |
| CN208595173U (en) | Yaw the clutch protecting mechanism of variable propeller gearbox input terminal | |
| CN102808912A (en) | Friction transmission structure and gear transmission capable of idling in overload state | |
| CN207393802U (en) | A kind of gear axial direction overload-release clutch | |
| CN203130824U (en) | Expanding coupling sleeve type high-rigidity coupling | |
| CN214698871U (en) | Limited slip clutch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |